Analytical Inverse Design of Polarization-Insensitive Photonic Filters by Tailoring Fabry-Perot Interference

Filtering of photonic signals of a certain frequency while suppressing all the others of a specific band for both electromagnetic signal polarizations, becomes possible with a single dielectric layer by properly engineering the occurred Fabry-Perot interference. Analytical formulas for combinations...

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Bibliographic Details
Published inIEEE access Vol. 8; p. 1
Main Author Valagiannopoulos, Constantinos
Format Journal Article
LanguageEnglish
Published Piscataway IEEE 01.01.2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Cavity resonators
Dielectrics
Fabry-Perot
Fabry-Perot filters
Fabry-Perot Interference
Interference
Inverse Design
Optical filters
Photonic Filter
Photonics
Selectivity
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Summary:Filtering of photonic signals of a certain frequency while suppressing all the others of a specific band for both electromagnetic signal polarizations, becomes possible with a single dielectric layer by properly engineering the occurred Fabry-Perot interference. Analytical formulas for combinations of cavity size, material texture and incoming angle are given so that the filtering purpose is optimally served. In this way, inverse design for a simple class of optical setups is rigorously performed and, if the employed medium is very dense and the working band narrow enough, sharp filters with increased frequency selectivity are obtained.
Bibliography:ObjectType-Article-1
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ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2020.3012486